18918158336

Names of 18918158336

• Cardinal: 18918158336 can be written as Eighteen billion, nine hundred eighteen million, one hundred fifty-eight thousand, three hundred thirty-six.

Scientific notation

• Scientific notation: 1.8918158336 × 10¹⁰

Factors of 18918158336

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 80

Divisors of 18918158336

• Number of divisors d(n): 468
• Complete list of divisors:
  1 2 4 7 8 11 14 16 19 22 28 32 38 41 44 49 56 64 76 77 82 88 98 112 121 128 133 152 154 164 176 196 209 224 242 256 266 287 304 308 328 352 392 418 448 451 484 512 532 539 574 608 616 656 704 779 784 836 847 896 902 931 968 1024 1064 1078 1148 1216 1232 1312 1408 1463 1558 1568 1672 1694 1792 1804 1862 1936 2009 2048 2128 2156 2296 2299 2432 2464 2624 2816 2926 3116 3136 3157 3344 3388 3584 3608 3724 3872 4018 4096 4256 4312 4592 4598 4864 4928 4961 5248 5453 5632 5852 5929 6232 6272 6314 6688 6776 7168 7216 7448 7744 8036 8512 8569 8624 9184 9196 9728 9856 9922 10241 10496 10906 11264 11704 11858 12464 12544 12628 13376 13552 14336 14432 14896 15488 16072 16093 17024 17138 17248 18368 18392 19456 19712 19844 20482 20992 21812 22099 22528 23408 23716 24928 25088 25256 26752 27104 28672 28864 29792 30976 32144 32186 34048 34276 34496 34727 36736 36784 38171 38912 39424 39688 40964 41984 43624 44198 45056 46816 47432 49856 50176 50512 53504 54208 57728 59584 59983 61952 64288 64372 68096 68552 68992 69454 73472 73568 76342 77824 78848 79376 81928 83968 87248 88396 93632 94259 94864 99712 100352 101024 107008 108416 112651 115456 119168 119966 123904 128576 128744 136192 137104 137984 138908 146944 147136 152684 157696 158752 163856 167936 174496 176792 187264 188518 189728 199424 200704 202048 214016 216832 225302 230912 238336 239932 243089 247808 257152 257488 272384 274208 275968 277816 293888 294272 305368 315392 317504 327712 348992 353584 374528 377036 379456 398848 404096 419881 428032 433664 450604 461824 476672 479864 486178 495616 514304 514976 544768 548416 551936 555632 587776 588544 610736 635008 655424 659813 697984 707168 749056 754072 758912 797696 808192 839762 856064 867328 901208 923648 953344 959728 972356 1028608 1029952 1096832 1103872 1111264 1175552 1177088 1221472 1270016 1310848 1319626 1395968 1414336 1498112 1508144 1517824 1595392 1616384 1679524 1734656 1802416 1847296 1906688 1919456 1944712 2057216 2059904 2193664 2207744 2222528 2354176 2442944 2540032 2621696 2639252 2791936 2828672 2996224 3016288 3035648 3190784 3232768 3359048 3469312 3604832 3813376 3838912 3889424 4114432 4119808 4387328 4445056 4618691 4708352 4885888 5080064 5243392 5278504 5583872 5657344 5992448 6032576 6071296 6465536 6718096 7209664 7677824 7778848 8228864 8239616 8774656 8890112 9237382 9416704 9771776 10160128 10486784 10557008 11167744 11314688 12065152 12142592 12931072 13436192 14419328 15355648 15557696 16479232 17549312 17780224 18474764 19543552 20320256 20973568 21114016 22335488 22629376 24130304 24285184 26872384 28838656 30711296 31115392 32958464 35098624 35560448 36949528 39087104 41947136 42228032 45258752 48260608 53744768 57677312 61422592 62230784 65916928 71120896 73899056 78174208 84456064 90517504 96521216 107489536 115354624 122845184 124461568 142241792 147798112 156348416 168912128 193042432 214979072 230709248 245690368 248923136 295596224 337824256 386084864 429958144 461418496 497846272 591192448 675648512 859916288 995692544 1182384896 1351297024 1719832576 2364769792 2702594048 4729539584 9459079168 18918158336
• Sum of all divisors σ(n): 52160615640
• Sum of proper divisors (its aliquot sum) s(n): 33242457304
• 18918158336 is an abundant number, because the sum of its proper divisors (33242457304) is greater than itself. Its abundance is 14324298968

Bases of 18918158336

• Binary: 10001100111100111000011000000000000₂
• Hexadecimal: 0x4679C3000
• Base-36: 8OVDSE8

Squares and roots of 18918158336

• 18918158336 squared (18918158336²) is 357896714825966288896
• 18918158336 cubed (18918158336³) is 6770746719011868937532846637056
• The square root of 18918158336 is 137543.2962234075
• The cube root of 18918158336 is 2664.5647935115

Scales and comparisons

• 18,918,158,336 seconds is equal to 601 years, 28 weeks, 3 hours, 58 minutes, 56 seconds.
• To count from 1 to 18,918,158,336 would take you about one thousand, two hundred three years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 18918158336 cubic inches would be around 222 feet tall.

Recreational maths with 18918158336

• 18918158336 backwards is 63385181981
• The number of decimal digits it has is: 11
• The sum of 18918158336's digits is 53
• More coming soon!